History of Computers-Part 1

No one person invented the computer. There were many inventions over hundreds of years that led to the computes we know today.
Thousands of years before the first electronic computer, people in China, the Middle East, and Greece used the abacus to add and subtract large numbers.
http://www.youtube.com/watch?v=wD5ALPHQuC0


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About 185 years ago in England, Charles Babbage invented an automatic calculator powered by steam. Although Babbage worked on his machines for many years, he was never able to build one that worked.


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About 135 yeas ago C.L.Sholes invented a typewriter. The computer keyboards we use today are based on the typewriter.

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About 115 years ago an American named Herman Hollerith invented a type of calculator. It stored numbers on punched cards. For more than fifty years, computers continued to use punched cards.